| Yong Wang | 0c42bd0 | 2010-07-30 16:23:03 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Intel Corporation |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 16 | */ |
| 17 | |
| 18 | #ifndef PCH_DMA_H |
| 19 | #define PCH_DMA_H |
| 20 | |
| 21 | #include <linux/dmaengine.h> |
| 22 | |
| 23 | enum pch_dma_width { |
| 24 | PCH_DMA_WIDTH_1_BYTE, |
| 25 | PCH_DMA_WIDTH_2_BYTES, |
| 26 | PCH_DMA_WIDTH_4_BYTES, |
| 27 | }; |
| 28 | |
| 29 | struct pch_dma_slave { |
| 30 | struct device *dma_dev; |
| 31 | unsigned int chan_id; |
| 32 | dma_addr_t tx_reg; |
| 33 | dma_addr_t rx_reg; |
| 34 | enum pch_dma_width width; |
| 35 | }; |
| 36 | |
| 37 | #endif |